CA339

About the CA339

The Canary Audio CA-339 monoblock amplifier delivers 50 watts RMS per channel using four 300B tubes in a push-pull parallel configuration. Each amplifier weighs approximately 70 lbs and measures 12" W x 24.5" D x 9" H. It features a frequency response within ±1 dB, an input sensitivity of 0.75 volts for full output, and an input impedance of 150,000 ohms. The CA-339 is highly regarded for its musicality, combining the sweetness and tonal purity of 300B tubes with exceptional dynamic contrast, clarity, and effortless grip. The internal wiring and components are carefully crafted with high-quality parts, including metal film resistors, audio-grade capacitors, and custom-wound transformers. The amplifier is designed and built in the USA with meticulous attention to detail, including CNC-milled aluminum panels and gold-plated binding posts. The CA-339LV version includes upgraded internal wiring and components for enhanced performance. Users report excellent instrument placement, soundstage, and dynamic range, making it a reference-class amplifier for audiophiles seeking the classic 300B tube sound with modern refinement.